For the 2025 school year, there are 4 public high schools serving 498 students in Dekalb County, MO.
The top ranked public high schools in Dekalb County, MO are Maysville Jr.-sr. High School, Union Star High School and Osborn High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Dekalb County, MO public high schools have an average math proficiency score of 36% (versus the Missouri public high school average of 36%), and reading proficiency score of 51% (versus the 51% statewide average). High schools in Dekalb County have an average ranking of 7/10, which is in the top 50% of Missouri public high schools.
Dekalb County, MO public high school have a Graduation Rate of 78%, which is less than the Missouri average of 89%.
The school with highest graduation rate is Maysville Jr.-sr. High School, with ≥90% graduation rate. Read more about public school graduation rate statistics in Missouri or national school graduation rate statistics.
Minority enrollment is 4% of the student body (majority Hispanic), which is less than the Missouri public high school average of 30% (majority Black).
Best Public High Schools in Dekalb County (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Maysville Jr.-sr. High School
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
601 W Main
Maysville, MO 64469
(816) 449-2154
Maysville, MO 64469
(816) 449-2154
Grades: 7-12
| 244 students
Rank: #22.
Union Star High School
(Math: 50-59% | Reading: 30-39%)
Rank:
Rank:
6/
Top 50%10
6132 Nw State Rte Z
Union Star, MO 64494
(816) 593-2294
Union Star, MO 64494
(816) 593-2294
Grades: 6-12
| 80 students
Rank: #33.
Osborn High School
(Math: 20-29% | Reading: 50-59%)
Rank:
Rank:
5/
Bottom 50%10
275 Clinton Ave
Osborn, MO 64474
(816) 675-2217
Osborn, MO 64474
(816) 675-2217
Grades: 7-12
| 61 students
Rank: #44.
Stewartsville High School
(Math: 20-29% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
902 Buchanan St
Stewartsville, MO 64490
(816) 669-3258
Stewartsville, MO 64490
(816) 669-3258
Grades: 7-12
| 113 students
Frequently Asked Questions
What are the top ranked public high schools in Dekalb County, MO?
The top ranked public high schools in Dekalb County, MO include Maysville Jr.-sr. High School, Union Star High School and Osborn High School.
How many public high schools are located in Dekalb County?
4 public high schools are located in Dekalb County.
What is the racial composition of students in Dekalb County?
Dekalb County public high schools minority enrollment is 4% of the student body (majority Hispanic), which is less than the Missouri public high schools average of 30% (majority Black).
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